Genetic and environmental influences on migraine: a twin study across six countries

Mulder, E. J., Van Baal, C., Gaist, D., Kallela, M., Kaprio, J., Svensson, D. A., Nyholt, D.R., Martin, N. G., MacGregor, A. J., Cherkas, L. F., Boomsma, D. I., & Palotie, A. (2003) Genetic and environmental influences on migraine: a twin study across six countries. Twin Research, 6(5), pp. 422-431.

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Migraine is a common neurovascular brain disorder that is manifested in recurrent episodes of disabling headache. The aim of the present study was to compare the prevalence and heritability of migraine across six of the countries that participate in GenomEUtwin project including a total number of 29,717 twin pairs. Migraine was assessed by questionnaires that differed between most countries. It was most prevalent in Danish and Dutch females (32% and 34%, respectively), whereas the lowest prevalence was found in the younger and older Finnish cohorts (13% and 10%, respectively). The estimated genetic variance (heritability) was significant and the same between sexes in all countries. Heritability ranged from 34% to 57%, with lowest estimates in Australia, and highest estimates in the older cohort of Finland, the Netherlands, and Denmark. There was some indication that part of the genetic variance was non-additive, but this was significant in Sweden only. In addition to genetic factors, environmental effects that are non-shared between members of a twin pair contributed to the liability of migraine. After migraine definitions are homogenized among the participating countries, the GenomEUtwin project will provide a powerful resource to identify the genes involved in migraine.

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ID Code: 92171
Item Type: Journal Article
Refereed: No
Additional Information: Mulder, Elles J
Van Baal, Caroline
Gaist, David
Kallela, Mikko
Kaprio, Jaakko
Svensson, Dan A
Nyholt, Dale R
Martin, Nicholas G
MacGregor, Alex J
Cherkas, Lynn F
Boomsma, Dorret I
Palotie, Aarno
Comparative Study
Research Support, Non-U.S. Gov't
Twin Study
2003/11/20 05:00
Twin Res. 2003 Oct;6(5):422-31.
Keywords: Adolescent, Adult, Australia/epidemiology, Denmark/epidemiology, Environment, Female, Finland/epidemiology, Great Britain/epidemiology, Humans, Male, Middle Aged, Migraine Disorders/*etiology/*genetics, Netherlands/epidemiology, Prevalence, Sex Factors, Sweden/epidemiology
DOI: 10.1375/136905203770326420
ISSN: 1369-0523
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright © Cambridge University Press 2003
Deposited On: 21 Jan 2016 05:05
Last Modified: 21 Jan 2016 05:05

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